package com.cjl.help;

import java.util.List;

public class Test {
    public static void main(String[] args) {
        List list = null;
        String a  = "";

        if (list == null || list.size() == 0 && a!= null){
            System.out.println("Test.main list "+list);
            System.out.println("Test.main a "+a);

        }
    }
}
